3 speed settings: the Avalon high velocity twin reversible airflow window fan features 3 speed settings of low， medium and high select your comfort speed level with ease

Max cool technology: this twin fan features technology to cool down a room with a cool breeze by bringing in air from outside and converting it to cool air and sending out warm air to the outside

Dual motors: this innovative double fan has two 9 in. fan heads with their own durable copper motors; copper motors are built to endure through all weather and situations

Expandable side panels: our dual window fan will fit into any window easily with it's built in dual expandable side panels that can expand an additional 6.5 in. on either side; for measurement purposes， the unit without the extended panels is 24 x 12 x 4 in.

Reversible airflow fan: this double fan is uniquely designed to simultaneously operate for intake or exhaust purposes with its reversible blades; you can use one fan for intake while the other for exhaust simultaneously; blow stale air out and bring clean air in today

Home， office， or dorm: robust yet compact， this self-standing tower fan is quiet and cool enough for your home， office， dorm or anywhere you need to cool off

Thermostat: there are 5 thermostat settings of 60°F， 65°F， 70°F， 75°F， and 80°F to automatically shut off the fan once a desired temperature is reached

Optional standing legs: you have the option of using the 2 included standing legs to use the fan as a standalone fan

Carry handle: we have incorporated a carry handle into the back of the unit to make it more portable

ETL listed: the fans is also ETL listed for the utmost safety